CN101944711A - Distribution box - Google Patents
Distribution box Download PDFInfo
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- CN101944711A CN101944711A CN 201010231596 CN201010231596A CN101944711A CN 101944711 A CN101944711 A CN 101944711A CN 201010231596 CN201010231596 CN 201010231596 CN 201010231596 A CN201010231596 A CN 201010231596A CN 101944711 A CN101944711 A CN 101944711A
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- circuit breaker
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Abstract
The invention discloses a distribution box, which comprises an incoming circuit breaker connected with commercial power. The distribution box also comprises a plurality of outgoing circuit breakers and an automatic control breaker, wherein the plurality of outgoing circuit breakers are connected in parallel one another and connected in series with the incoming circuit breaker, and are used for automatically cutting off a power circuit when a load is failed; and the automatic control breaker is connected in series between the incoming circuit breaker and the outgoing circuit breakers and is used for automatically cutting off the power circuit when the load is detected to be in a close or standby state. The automatic control breaker can determine whether electrical appliances are in a close state or a standby state according to the size of output current, and completely cut off the output circuit so as to achieve the effect of zero power consumption, so the distribution box is favorable for energy conservation and environmental protection.
Description
Technical field
The present invention relates to distribution box, the particularly a kind of distribution box that can thoroughly cut off the electricity supply.
Background technology
Distribution box be by the electrical wiring requirement be assembled in switchgear, measuring instrument, protection electrical equipment and auxiliary equipment in sealing or the semiclosed metal cabinet or the screen width of cloth on, constitute low-voltage distribution equipment.Can connect or the branch deenergizing by manual or automatic switch during normal the operation.Cut off circuit or warning by protection electrical equipment when fault or irregular operating.Borrow measuring instrument can show operating various parameter, also can adjust, point out or send signal departing from normal operating conditions to some electric parameter.
All be provided with distribution box in general supply access place in various places such as factory, mansion, enterprise office, residences, existing distribution box only breaks down or just can cut off the electricity supply automatically during irregular operating at electrical appliance.And now a lot of electrical appliances in off position or under the holding state all in power consumption, particularly in the place that has than multiple-purpose electric appliance,, will waste much electricity as can not thoroughly cutting off load power source, be unfavorable for environmental protection, energy-conservation.
Therefore, how to realize that distribution box can be automatically and to cut off the load out-put supply up hill and dale be the technical problem that needs to be resolved hurrily in the industry.
Summary of the invention
Main purpose of the present invention provides a kind of distribution box, is intended to realize detecting electrical appliance and is in and closes or during holding state, will cut off corresponding out-put supply automatically, has reduced the consume of electric energy.
The present invention proposes a kind of distribution box, comprises the lead-in circuit breaker that is electrically connected with the city, and it also comprises:
Some outlet circuit breakers, connecting with described lead-in circuit breaker in back parallel with one another, is used for the circuit of cutting off the electricity supply automatically when load is broken down;
Automatically the control circuit breaker is connected between described lead-in circuit breaker and the described outlet circuit breaker, is used for being in and closing or during holding state the circuit of cutting off the electricity supply automatically when detecting load.
Preferably, described automatic control circuit breaker comprises:
Executive circuit is serially connected between described lead-in circuit breaker and the described outlet circuit breaker, is used for the conducting and the disconnection of driving power circuit;
Electric current output sample circuit is used for the electric current of circuit output is sampled, and obtains sampled signal;
Controlled processing unit receives described sampled signal, controls described executive circuit.
Preferably, described automatic control circuit breaker also comprises:
Current transformer is serially connected between described lead-in circuit breaker and the described outlet circuit breaker and with described executive circuit and connects, and is connected with described electric current output sample circuit;
The direct current change-over circuit is converted to direct current with alternating current and provides working power for described controlled processing unit and described executive circuit.
Preferably, described executive circuit includes a manual switch, is used under off-position by manually coming the energized circuit.
Preferably, described controlled processing unit includes the time-delay control module, is used for when load is in shutdown or holding state, and time-delay a period of time is controlled described executive circuit again and cuts off the electricity supply.
Preferably, the output of each outlet circuit breaker also is connected in series with a described automatic control circuit breaker respectively.
Preferably, above-mentioned distribution box also comprises:
The voltage automatic compensating device is serially connected between described automatic control circuit breaker and the described outlet circuit breaker, is used for when output voltage changes, and carries out voltage compensation automatically.
Preferably, described voltage automatic compensating device comprises:
Compensator transformer comprises: the first elementary winding, the second elementary winding and be serially connected in secondary winding between automatic control circuit breaker and the outlet circuit breaker; Be used for when output voltage changes, carrying out voltage compensation;
Some A.C. contactors are connected with the described first elementary winding, the second elementary winding; The voltage that is used for compensating is as required controlled the closing of contact or the disconnection of A.C. contactor automatically.
Preferably, described A.C. contactor is provided with seven, and the contact of each described A.C. contactor and described two elementary winding ways of connecting are: a contact of described first A.C. contactor is connected between the input of the output of the first elementary winding and the second elementary winding; Between the input end of the same name that a contact of second A.C. contactor is connected described two elementary windings; A contact of the 3rd A.C. contactor be connected two elementary windings produce outputs of the same name between; A contact of the 4th A.C. contactor is connected between the output and phase line of the second elementary winding; A contact of the 5th A.C. contactor is connected between the input and phase line of the first elementary winding; A contact of the 6th A.C. contactor is connected between the output and the neutral line of the second elementary winding; A contact of the 7th A.C. contactor is connected between the input and the neutral line of the first elementary winding.
Preferably, described executive circuit comprises relay.
The present invention can be applied to the civil power access port in various places, and when electrical appliance breaks down when having influence on voltage, the outlet circuit breaker can cut off the branch road power supply at electrical appliance place automatically; Automatically the control circuit breaker can judge that electrical appliance is in closed condition or holding state according to the size of current of output, close or during holding state when detecting to be in, can prolong the time of one section setting after, thoroughly cut off output circuit again, reach zero power consumption effect, help energy-saving and environmental protection.Distribution box also increases a voltage automatic compensating device, it is simple in structure, capacity is big, efficient is high, wave mode is undistorted, can reduce voltage automatically when voltage is high, boosted voltage automatically when voltage is low remains in the change in voltage scope of electrical appliance permission output voltage.
Description of drawings
Fig. 1 is the structural representation of distribution box in one embodiment of the invention;
Fig. 2 is the structural representation of distribution box in one embodiment of the invention;
Fig. 3 is the structural representation of distribution box in one embodiment of the invention;
Fig. 4 is the structural representation of distribution box in one embodiment of the invention;
Fig. 5 is the circuit diagram of voltage automatic compensating device in one embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, an embodiment of distribution box of the present invention is proposed, comprise the lead-in circuit breaker 1 that is electrically connected with the city, also comprise:
Some outlet circuit breakers 3, connect with described lead-in circuit breaker 1 in back parallel with one another, three described outlet circuit breakers 3 are set in the present embodiment, is used for automatic shutdown circuit when load is broken down; Each outlet circuit breaker 3 is connected on the output subcircuits, controls the switching of this subcircuits.
Automatically control circuit breaker 2, be connected between described lead-in circuit breaker 1 and the described outlet circuit breaker 3, be used for being in and closing or during holding state when detecting load, automatically cut off the power circuit of output, can reach zero power consumption effect after thoroughly cutting off output circuit, reduce the low power consumption in the standby, helped energy-saving and environmental protection.
With reference to Fig. 2, comprised above-mentioned technology, above-mentioned automatic control circuit breaker 2 specifically comprises:
Electric current output sample circuit 204 is used for the electric current of circuit output is sampled, and obtains the sampled signal of output current.It is regularly (as every 3 or 5 minutes once sampling) or not timing (promptly continuously sampling) that the electric current of circuit output is sampled.
Controlled processing unit 205 receives the sampled signal of above-mentioned output current and handles, and controls above-mentioned executive circuit 201 according to result again.
Above-mentioned automatic control circuit breaker 2 also comprises:
Direct current change-over circuit 203 is connected with phase line, alternating current is converted to direct current provides working power for controlled processing unit 205 and executive circuit 201, does not need the external direct current power supply power supply.
Above-mentioned executive circuit 201 also is provided with the hand switch (not shown), is used for being under the off-position at whole output circuit, can be by manually coming the energized circuit.
Above-mentioned controlled processing unit 205 includes the time-delay control module, when single-chip microcomputer detects load is when being in shutdown or holding state, time-delay control module control time-delay a period of time (can according to circumstances be set, as 5 to 10 minutes) after, controlling described executive circuit 201 again and cut off the electricity supply, is also to need at short notice to restart after closing conveniently for electrical appliance like this.Controlled processing unit 205 adopts single-chip microcomputer, is called microcontroller (Microcontroller Unit) again.
With reference to Fig. 3, the another embodiment of distribution box of the present invention is proposed.Each above-mentioned outlet circuit breaker 3 also all is connected in series with an above-mentioned automatic control circuit breaker 2 respectively, the subcircuits power on/off at automatic control circuit breaker 2 its places of control on each branch road, be to use like this for the place that is fit to the branch service area, as: an enterprise divides several working regions, the branch road of a parallel connection is told in each zone, if have only a working region electrical appliance in work, other working region all quits work, idle district just can cut off its output branch roads separately by controlling circuit breaker 2 automatically, can not have influence on the power supply output of working region, help energy-conservationly like this, do not need the electrical appliance in all working zone to quit work and just all cut off general supply.
With reference to Fig. 4, the present invention is provided with an embodiment of voltage automatic compensating device again on the basis of last example, the voltage automatic compensating device 4 that is provided with is serially connected between described automatic control circuit breaker 2 and the described outlet circuit breaker 3, is used for when output voltage changes, and carries out voltage compensation automatically.The voltage that can cause exporting owing to the reason of electrical appliance or the electrical network fluctuation that changes, at this moment just need voltage automatic compensating device 4 to carry out voltage compensation, can prevent to influence the operate as normal of electrical appliance like this, electrical appliance be worked in its range of nominal tension help increasing the service life.
With reference to Fig. 5, an embodiment of voltage automatic compensating device 4 of the present invention comprises:
Compensator transformer, it comprises: the first elementary winding B1, the second elementary winding B2 and be serially connected in secondary winding between automatic control circuit breaker 2 and the outlet circuit breaker 3 can be described as the compensation winding; Be used for when output voltage changes, carrying out voltage compensation;
A plurality of A.C. contactors are connected with the described first elementary winding B1, the second elementary winding B2; The voltage that is used for compensating is as required controlled the closing of contact or the disconnection of A.C. contactor automatically.
To be applied in the single phase circuit is example, above-mentioned A.C. contactor is provided with seven, the connected mode of the contact of each A.C. contactor and two elementary windings: a contact K1 of first A.C. contactor is connected between the input of the output of the first elementary winding B1 and the second elementary winding B2; A contact K2 of second A.C. contactor is connected between the input end of the same name of the first elementary winding B1 and the second elementary winding B2; A contact K3 of the 3rd A.C. contactor be connected the input of the first elementary winding B1 and the second elementary winding B2 of the same name between; A contact K4 of the 4th A.C. contactor is connected between the output and phase line L of the second elementary winding B2, and a contact K5 of the 5th A.C. contactor is connected between the input and phase line L of the first elementary winding B1; A contact K6 of the 6th A.C. contactor is connected between the output and neutral line N of the second elementary winding B2, and a contact K7 of the 7th A.C. contactor is connected between the input and neutral line N of the first elementary winding B1.
In the electrical principles, the relation of output voltage U 2 and input voltage U1: U2=U1+ Δ U, Δ U are bucking voltage.Bucking voltage is relevant with the annexation of the elementary winding of compensator transformer, five kinds of connected modes are below arranged: as the phase voltage of forward access network after two elementary windings in series, then can obtain a bucking voltage with network phase voltage homophase is a unit positive bucking voltage; As oppositely inserting after two elementary windings in series, then obtain a reverse compensation voltage; As with access network voltage forward or backwards after the two one or two elementary winding parallel connections, then can obtain the positive or the reverse compensation voltage of two units; As two elementary windings access network not, and make its short circuit, then bucking voltage is zero, then U2=U1.
Following 5 kinds of the mode of voltage compensation:
1, bucking voltage is zero, and contact K1, the K2 of first, second, third A.C. contactor, K3 closure make two elementary winding B1, B2 short circuit, and the contact of all the other A.C. contactors all disconnects, and makes access networks not of two elementary windings.
2, compensated voltage drop one-level, five, contact K5, the K6 of the 6th, the 3rd A.C. contactor, K3 closure, be failure to actuate in the contact of all the other A.C. contactors, forward access network phase voltage after making two elementary winding B1, B2 connect, obtain a unit positive bucking voltage on secondary winding B, output voltage is than the low unit bucking voltage of input voltage.
3, compensated voltage drop two-stage; Five, the 6th, contact K5, the K6 of first, second A.C. contactor, K1, K2 closure, be failure to actuate in the contact of all the other A.C. contactors, make forward access network phase voltage after two elementary winding B1, the B2 parallel connection, obtain two unit positive bucking voltages on secondary winding B, output voltage is than low two the unit bucking voltages of input voltage.
4, bucking voltage rising one-level; Four, contact K4, the K7 of the 7th, the 3rd A.C. contactor, K3 closure, be failure to actuate in the contact of all the other A.C. contactors, make the anti-phase access network phase voltage of elementary winding B1 of winning, obtain a unit reverse compensation voltage on secondary winding B, output voltage is than the high unit bucking voltage of input voltage.
5, bucking voltage rising two-stage; Four, the 7th, contact K4, the K7 of first, second A.C. contactor, K1, K2 closure, be failure to actuate in the contact of all the other A.C. contactors, make the elementary winding anti-phase access network phase voltage that is connected in parallel, obtain two unit reverse compensation voltages on secondary winding B, output voltage is than high two the unit bucking voltages of input voltage.
As long as output voltage exceeds predefined 5% with interior permissible value, switching by A.C. contactor, voltage is returned in the allowed band, the switching of A.C. contactor is to carry out according to the instruction of output voltage, if output voltage exceeds the highest or Minimum Acceptable Value of setting, the switching by contactor makes it to return in the permissible value scope.The switching of A.C. contactor is that switching mode by existing technology automaticallyes switch during bucking voltage.
If using in three-phase alternating current also is same principle, connect an above-mentioned voltage automatic compensating device 4 in every circuitry phase, no longer describe in detail.
Since the maximum bucking voltage of voltage automatic compensating device 4 be rated voltage positive and negative 10% in, so voltage automatic compensating device 4 only be 10% of a distribution capacity, it is very little itself to consume electric energy accounting example.
Above-mentioned A.C. contactor is to be widely used as cut-offfing and control circuit of electric power, and it utilizes main contact to open and close circuit, carries out control command with auxiliary contact.Main contact generally has only normal opened contact, and auxiliary contact often has two pairs of contacts with Chang Kai and normally closed function, and small-sized contactor also often cooperates main circuit to use as auxiliary relay.The contact of A.C. contactor is made by silver tungsten, has good electrical conductivity and high temperature resistant ablative.When coil electricity, static iron core produces electromagnetic attraction, will move the iron core adhesive, because contact system links with moving iron core, therefore moving iron core drives three movable contact springs and moves the closing of contact, thereby energized simultaneously.When coil blackout, suction disappears, and moving iron core interlock part relies on the reaction force of spring and separates, and main contact is disconnected, and cuts off the electricity supply.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a distribution box comprises the lead-in circuit breaker that is electrically connected with the city, it is characterized in that, also comprises:
Some outlet circuit breakers, connecting with described lead-in circuit breaker in back parallel with one another, is used for the circuit of cutting off the electricity supply automatically when load is broken down;
Automatically the control circuit breaker is connected between described lead-in circuit breaker and the described outlet circuit breaker, is used for being in and closing or during holding state the circuit of cutting off the electricity supply automatically when detecting load.
2. distribution box according to claim 1 is characterized in that, described automatic control circuit breaker comprises:
Executive circuit is serially connected between described lead-in circuit breaker and the described outlet circuit breaker, is used for the conducting and the disconnection of driving power circuit;
Electric current output sample circuit is used for the electric current of circuit output is sampled, and obtains sampled signal;
Controlled processing unit receives described sampled signal, controls described executive circuit.
3. distribution box according to claim 2 is characterized in that, described automatic control circuit breaker also comprises:
Current transformer is serially connected between described lead-in circuit breaker and the described outlet circuit breaker and with described executive circuit and connects, and is connected with described electric current output sample circuit;
The direct current change-over circuit is converted to direct current with alternating current and provides working power for described controlled processing unit and described executive circuit.
4. distribution box according to claim 3 is characterized in that, described executive circuit includes a manual switch, is used under off-position by manually coming the energized circuit.
5. distribution box according to claim 4 is characterized in that described controlled processing unit includes the time-delay control module, is used for when load is in shutdown or holding state, and time-delay a period of time is controlled described executive circuit again and cuts off the electricity supply.
6. according to each described distribution box in the claim 1 to 5, it is characterized in that the output of each outlet circuit breaker also is connected in series with a described automatic control circuit breaker respectively.
7. according to each described distribution box in the claim 1 to 5, it is characterized in that, also comprise:
The voltage automatic compensating device is serially connected between described automatic control circuit breaker and the described outlet circuit breaker, is used for when output voltage changes, and carries out voltage compensation automatically.
8. distribution box according to claim 7 is characterized in that, described voltage automatic compensating device comprises:
Compensator transformer comprises: the first elementary winding, the second elementary winding and be serially connected in secondary winding between automatic control circuit breaker and the outlet circuit breaker; Be used for when output voltage changes, carrying out voltage compensation;
Some A.C. contactors are connected with the described first elementary winding, the second elementary winding; The voltage that is used for compensating is as required controlled the closing of contact or the disconnection of A.C. contactor automatically.
9. distribution box according to claim 8, it is characterized in that, described A.C. contactor is provided with seven, and the contact of each described A.C. contactor and described two elementary winding ways of connecting are: a contact of described first A.C. contactor is connected between the input of the output of the first elementary winding and the second elementary winding; Between the input end of the same name that a contact of second A.C. contactor is connected described two elementary windings; A contact of the 3rd A.C. contactor be connected two elementary windings produce outputs of the same name between; A contact of the 4th A.C. contactor is connected between the output and phase line of the second elementary winding; A contact of the 5th A.C. contactor is connected between the input and phase line of the first elementary winding; A contact of the 6th A.C. contactor is connected between the output and the neutral line of the second elementary winding; A contact of the 7th A.C. contactor is connected between the input and the neutral line of the first elementary winding.
10. distribution box according to claim 9 is characterized in that described executive circuit comprises relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010231596 CN101944711A (en) | 2010-07-20 | 2010-07-20 | Distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010231596 CN101944711A (en) | 2010-07-20 | 2010-07-20 | Distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101944711A true CN101944711A (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010231596 Pending CN101944711A (en) | 2010-07-20 | 2010-07-20 | Distribution box |
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| Country | Link |
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| CN (1) | CN101944711A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812022A (en) * | 2013-12-31 | 2014-05-21 | 江苏天翔节能科技有限公司 | Power distribution cabinet |
| CN104242083A (en) * | 2014-10-08 | 2014-12-24 | 四川合创电器有限责任公司 | Tripper of distribution box |
| CN106463916A (en) * | 2014-04-25 | 2017-02-22 | 金美来 | Household distribution box for forcible power interruption and forcible power interruption system |
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| CN2441241Y (en) * | 2000-09-12 | 2001-08-01 | 上海宏源照明电器有限公司 | Automatic voltage compensating electric distributing box for lighting |
| CN2591837Y (en) * | 2002-12-15 | 2003-12-10 | 青岛扬志科技发展有限公司 | Intelligent split-phase capacitance compensation distributing apparatus |
| CN200953464Y (en) * | 2006-09-30 | 2007-09-26 | 许万永 | Low-voltage line power supply protector |
| CN201044332Y (en) * | 2007-02-01 | 2008-04-02 | 王学军 | Generatrix connecting structure of low voltage distribution box |
| CN101192747A (en) * | 2006-11-23 | 2008-06-04 | 张铮震 | No contact long life soft start energy-saving distribution box |
| CN201374500Y (en) * | 2008-12-29 | 2009-12-30 | 北京中创瑞普科技有限公司 | Intelligent power distribution cabinet |
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2010
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441241Y (en) * | 2000-09-12 | 2001-08-01 | 上海宏源照明电器有限公司 | Automatic voltage compensating electric distributing box for lighting |
| CN2591837Y (en) * | 2002-12-15 | 2003-12-10 | 青岛扬志科技发展有限公司 | Intelligent split-phase capacitance compensation distributing apparatus |
| CN200953464Y (en) * | 2006-09-30 | 2007-09-26 | 许万永 | Low-voltage line power supply protector |
| CN101192747A (en) * | 2006-11-23 | 2008-06-04 | 张铮震 | No contact long life soft start energy-saving distribution box |
| CN201044332Y (en) * | 2007-02-01 | 2008-04-02 | 王学军 | Generatrix connecting structure of low voltage distribution box |
| CN201374500Y (en) * | 2008-12-29 | 2009-12-30 | 北京中创瑞普科技有限公司 | Intelligent power distribution cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812022A (en) * | 2013-12-31 | 2014-05-21 | 江苏天翔节能科技有限公司 | Power distribution cabinet |
| CN103812022B (en) * | 2013-12-31 | 2016-08-17 | 江苏天翔节能科技有限公司 | A kind of power distribution cabinet |
| CN106463916A (en) * | 2014-04-25 | 2017-02-22 | 金美来 | Household distribution box for forcible power interruption and forcible power interruption system |
| CN104242083A (en) * | 2014-10-08 | 2014-12-24 | 四川合创电器有限责任公司 | Tripper of distribution box |
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Application publication date: 20110112 |